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Finding the Fourth Proportional to 168,234.78, 252,351.70 and 41,872.66

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Solution

The fourth proportional to 168,234.78, 252,351.70 and 41,872.66 is: 62,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,234.78 : 252,351.70 = 41,872.66 : x
  2. Step 2: Convert to fraction form
    168,234.78/252,351.70 = 41,872.66/x
  3. Step 3: Cross multiply
    168,234.78x = 252,351.70 × 41,872.66
  4. Step 4: Simplify right side
    168,234.78x = 10,566,636,934.52
  5. Step 5: Solve for x
    x = 10,566,636,934.52/168,234.78
  6. Step 6: Final answer
    x = 62,808.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.